8197228 has 12 divisors (see below), whose sum is σ = 15448720. Its totient is φ = 3783312.

The previous prime is 8197201. The next prime is 8197271. The reversal of 8197228 is 8227918.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78768 + ... + 78871.

Almost surely, 2^8197228 is an apocalyptic number.

It is an amenable number.

8197228 is a deficient number, since it is larger than the sum of its proper divisors (7251492).

8197228 is a wasteful number, since it uses less digits than its factorization.

8197228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157656 (or 157654 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 8197228 is about 2863.0801595485. The cubic root of 8197228 is about 201.6302421143.

The spelling of 8197228 in words is "eight million, one hundred ninety-seven thousand, two hundred twenty-eight".